404. That’s an error.
The requested URL /translate_c?depth=1&pto=aue&rurl=translate.google.ru&sl=en&sp=nmt4&tl=ru&u=http://unixhelp.ed.ac.uk/CGI/man-cgi%3Fgrep&usg=ALkJrhi9gSVDsTxvp2gyIFf7crHWGDqGKg
was not found on this server. That’s all we know.